To find the sum<span> of a </span>positive<span> and a </span>negative integer<span>, take the </span>absolute value<span> of each </span>integer<span> and then subtract these </span>values<span>. The result takes the sign of the </span>integer<span> with the larger </span>absolute value<span>. The </span>sum<span> of any </span>integer<span> and its opposite is equal to zero.</span>
Answer:
B. 4 inches
Step-by-step explanation:
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Answer:
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Step-by-step explanation:
The cosine repeats itself every 360 degrees, and it mirrors at 0 and 180 degrees. It inverts around 90 and 270.
So without using a calculator, you can tell that:
cos(520)=cos(520-360)=cos(160)
cos(160) = cos(180-20) = cos(180+20) = cos(200)
cos(160) is NOT equal to cos(20), it would be -cos(20).
cos(160) = -cos(20) = -cos(-20)
So C is the only one unequal.
Answer:
5
Step-by-step explanation: